<!doctype html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>X Origin Frame</title>
  </head>

  <body>
    <p>To test this you'll need to run another server in this directory</p>
    <code>npm run sandbox</code>
    <code>npx serve -p 1234</code>
    <iframe src="http://localhost:1234/xframe.html" width="800" height="600"></iframe>
  </body>
</html>
